The aluminum boards are made to be only 2mm thick not to burden the structure, with their curves allowing for expansion in summer and contraction in winter.

2毫米厚的铝板不作为承重结构，他们的曲线能承受夏天和冬天的热胀冷缩。

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Wright's games have always been modular, allowing for lucrative expansion packs and spinoffs: SimFarm, Sims 2: Apartment Life, Spore: Galactic Adventures, et cetera.

莱特的游戏常常是被模块化的，可以添加有利可图的补丁和续集：《模拟农场》、《模拟人生2：公寓生活》、《孢子：银河大冒险》等等。

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Special concrete anchors were used to tie the three layers together while also allowing sufficient flexibility for the construction to withstand thermal expansion movement.

特殊混凝土将三个层结合在一起，同时还给予了足够的灵活性，能够承受热膨胀运动。

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But its planners had the foresight to leave room under the bridges for a third lane in each direction, allowing for the motorway's expansion.

BBC: Marking 50 years of UK motorways

Instead, Families USA decided only to examine the Bush 2007 model, because it only expands coverage modestly, allowing for unflattering comparisons to Obamacare on that sole statistic of coverage expansion.

FORBES: Move up http://i.forbesimg.com t Move down

The creation of Class B super-voting shares allowed the Sulzberger-Ochs family to maintain an all-but-unchallengeable control of the company while still allowing it to tap the public markets for capital it needed for expansion.

FORBES: Arthur O. Sulzberger, NY Times Publisher and Patriarch, Dead at Age 86